6533b7d7fe1ef96bd1268323
RESEARCH PRODUCT
Investigation of the Interpolymer Complex between Hydroxypropyl Cellulose and Maleic Acid-Styrene Copolymer, 1
Bernhard A. WolfGina-gabriela BumbuCornelia VasileJohn Eckeltsubject
Aqueous solutionPolymers and PlasticsMaleic acidChemistryHydroxypropyl celluloseOrganic ChemistryEnthalpyCondensed Matter PhysicsPolyelectrolyteStyrenechemistry.chemical_compoundPolymer chemistryMaterials ChemistryCopolymerTurbidimetryPhysical and Theoretical Chemistrydescription
The hydrogen bonding-interpolymer association of hydroxypropyl cellulose (HPC) with maleic acid-styrene (MAc-S) copolymer has been investigated in dilute aqueous solution by viscometry, turbidimetry and potentiometry. At a mixing ration between MAc-S and HPC of 10:90, the solution exhibits a phase separation upon heating, while for other mixing ration no phase separation could be detected. The stability of the interpolymer complex (IPC) increases as the temperatures rises. The stoichiometry of the IPC, in mole units, was estimated as being MAc-S:HPC=5:2. The thermodynamic functions (enthalpy and entropy) of the complexation process have been determined.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2004-09-24 | Macromolecular Chemistry and Physics |